Question about Texas Instruments TI-84 Plus Calculator
Posted on Apr 02, 2013
Press Y=. Type in ( 1 / 2 ) * cos( X ) ENTER
Press GRAPH to see the graph.
If the graph isn't too clear, press WINDOW and change Ymin to -2 and Ymax to 2, then press GRAPH again.
Note: for -2, be sure to use the (-) key next to the decimal point instead of the - between the multiply and the add.
Posted on Feb 19, 2010
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Posted on Jan 02, 2017
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